TABLE 1.
Chemical composition of sHEP.
| Constituent | Content (mg/g propolis ± SD) |
| Total flavonoids (expressed as galangin) | 155.01 (±18.16) |
| Galangin | 42.69 (±0.30) |
| Pinocembrin | 26.59 (±0.21) |
| Caffeic acid phenylethyl ester | 10.51 (±0.29) |
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